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Certified Registered Nurse Anesthetist (CRNA)

Warren L. Foy

Works at hospitals in Huntsville, AL · Alabama

Summary

Warren L. Foy is a nurse anesthetist at 101 Sivley Rd SW, Huntsville, AL 35801. Phone: (256) 265-8120. Accepts Medicare assignment. In 2024, Warren L. Foy had 140 Original Medicare patients and 157 services. NPI 1427446889. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 101 Sivley Rd SW, Huntsville, AL 35801 · Directions (1 more location)
  • Phone: (256) 265‑8120
  • Medicare: Accepts Medicare assignment
  • Hospital: Huntsville Hospital
  • Group practice: Huntsville Hospital Anesthesia
  • School: graduated 2014
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Warren L. Foy, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Warren L. Foy accept Medicare assignment?
Yes. Medicare's clinician data says Warren L. Foy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Warren L. Foy see?
In 2024, CMS data shows 140 Original Medicare patients and 157 services for Warren L. Foy. This counts Original Medicare only and measures volume, not quality.
What is Warren L. Foy's NPI number?
1427446889. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Warren L. Foy, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients140
Services billed to Medicare157
Different services or procedures12
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)133 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease75%
  • Heart failure59%
  • Atrial fibrillation54%
  • Arthritis52%

Hospitals where Warren L. Foy works

Medicare's Facility Affiliation Data lists Warren L. Foy at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Huntsville HospitalHuntsville, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010039

Practice locations

Addresses where Warren L. Foy is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Warren L. Foy as a member of this group (CMS data updated October 2, 2026).

  • Huntsville Hospital Anesthesia159 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Alabama →

Other nurse anesthetists in Huntsville

Clinicians with the same Medicare primary specialty in Huntsville, AL — not a recommendation.

All nurse anesthetists in Huntsville →

Other clinicians in Huntsville Hospital Anesthesia

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

Graduation year2014
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1427446889
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians